PRN Azimuth(d) Elevation(d) Vertical-TEC(tecu) Slant-TEC(tecu) S4(L1/L2) 2018/10/29-11:58:00 G02 234.4 71.5 6.7 +/- 0.59 7.0 +/- 0.59 0.080 / 0.250 G05 175.5 11.6 3.8 +/- 8.62 10.2 +/- 8.62 0.080 / 0.260 G06 41.4 60.9 4.3 +/- 0.58 4.9 +/- 0.58 0.060 / 0.090 G12 321.7 50.6 4.7 +/- 1.10 5.9 +/- 1.10 0.080 / 0.100 G17 69.9 21.8 3.0 +/- 1.12 6.4 +/- 1.12 0.050 / 0.060 G19 51.4 43.0 4.3 +/- 0.54 6.0 +/- 0.54 0.050 / 0.060 G24 243.6 35.9 7.7 +/- 1.16 12.1 +/- 1.16 0.030 / 0.040 G25 316.2 13.7 3.8 +/- 2.46 9.8 +/- 2.46 0.030 / 0.040